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Installation, Operation and
Cast Iron Boiler
B*C-‐3
s ections
B*C-‐4
s ections
B*C-‐5
s ections
B*C-‐6
s ections
B*C-‐7
s ections
B*C-‐8
s ections
INSTALLATIONS MUST MEET ALL LOCAL AND FEDERAL
CODES THAT MAY DIFFER FROM THIS MANUAL
Please read the manual in its entirety before beginning installation.
This manual must be kept with the boiler for future reference.
GRANBY FURNACES INC.
PO Box 637
12118 Hwy 209
Parrsboro Nova Scotia Canada
B0M 1S0
www.granbyindustries.com
Service Manual
SERIES
08-17-2012
B*C, 3 sections illustration
G2012-E5 Rev. A
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Summary of Contents for Granby B*C-3 sections
- Page 1 CODES THAT MAY DIFFER FROM THIS MANUAL Please read the manual in its entirety before beginning installation. This manual must be kept with the boiler for future reference. GRANBY FURNACES INC. PO Box 637 12118 Hwy 209 Parrsboro Nova Scotia Canada...
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT SAFETY ADVICE PRODUCT INFORMATION UNIT INSTALLATION 3.1 PLACEMENT & LEVELING OF THE UNIT 3.2 JACKET ASSEMBLY & CONTROL INSTALLATION PIPING ELECTRIC WIRING CHIMNEY INFORMATION FUEL SYSTEM ACCESSORY INSTALLATION BURNER INSTALLATION & SETTING 10.0 TECHNICAL INFORMATION 11.0 BOILER START UP &... -
Page 3: Important Safety Advice
1.0 IMPORTANT SAFETY ADVICE Please read and understand this manual before installing, operating or servicing the furnace. To ensure you have a clear understanding of the operating procedures of the appliance please take the time to read section IMPORTANT SAFETY ADVICE of this manual. CAUTION DO NOT START THE BURNER UNTIL ALL FITTINGS, COVERS AND DOORS ARE IN PLACE. -
Page 4: Product Information
24” (609 mm) Right Side 2” (50.8 mm) Chimney Connector 9” (229 mm) DRAFT PRESSURE Breech draft pressure 0.03’’ wc draft required FLUE PIPE CONNECTION CHIMNEY (see page19) or Direct Vent System DVS Granby kit ( 3,4,5 sections) 3 ... -
Page 5: Unit Installation
CLEANOUTS Rear removable smoke hood cover & Combustion Front Door Opening FUEL Not heavier than No,2 oil boiler ELECTRICAL 120 Volts, 60Hz 15 amps. fuse or breaker AIR SUPPLY CAUTION: Adequate air supply for both combustion and ventilation must be available. See page 14 for details. - Page 6 STEP 1 VERIFY CONTENTS OF JACKET ASSEMBLY PACKAGE. Your jacket assembly will contain two (2) manifolds with gaskets, a fastening package which includes all necessary bolts, screws, nuts and washers for assembly along with burner studs, nuts and washers, block insulation, rear of block insulation, aluminum faced tape, leveling frame rails, two (2) side panels, a rear panel top panel and re-insulated top and bottom front panels.
- Page 7 STEP 4 INSULATION INSTALLATION Drape the large piece of block insulation directly over the block taking care to provide adequate clearance from frame rails. Using the aluminum faced tape attach the preshaped rear inslulation to the block insulation. The process is simply taping the two pieces together. The front panels come pre-insulated.
- Page 8 STEP 6 CONTROL SENSOR ATTACHMENT Prior to jacket top and front panel installation the control sensor must be inserted into the brass well located on the top of the boiler and secured by a clip. Feed the sensor through the hole on the front of the right side panel from the outside.
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Page 9: Piping
Upon completion of the jacket assembly the control unit can be mounted on the side of the boiler. Honeywell control L7248 B*C, 3 sections boiler illustration The boiler is now ready for piping and connection to the fuel system, heating and domestic hot water, thermostat and 110 Volt 60 cycle AC current. -
Page 10: Circulation Pump
Circulation Pump A calculation for proper pump selection must be performed for all installations. The pump(s) should not be operated at maximum working pressures above 30 psi or maximum working temperatures above 200°F and within limits advised by the manufacturer. The pump must not be operated unless the system has been bled of all air and completely filled with water. - Page 11 Figure 2 A typical installation with no domestic hot water and with a by-pass loop installed. Figure 3 A typical installation with domestic hot water supplied by an indirect heater and with no by-pass loop installed. 10 ...
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Page 12: Electrical Wiring
Figure 4 A typical installation with domestic hot water supplied by an indirect heater and with a by-pass loop installed. 5.0 ELECTRICAL WIRING All external wiring must be performed in compliance with existing electrical codes within the local jurisdiction. In Canada the CSA, STANDARD C22-1 and the Canadian Electrical Code. Connections should be carried out in accordance with this manual and only by qualified individuals. -
Page 13: Natural Draft Applications
Typical wiring for line voltage oil burner with Honeywell L7248 and one heating zone. ( For Canadian application, see page 15 for proper wiring with a Block Vent Shut-Off ) 6.0 CHIMNEY INFORMATION Natural Draft Applications CAUTION: Oil fired units must always be connected to flues with proper draft. Specific guidelines should be followed to prevent the occurrence of the following conditions: •... -
Page 14: Chimney Connection
If the masonry, brick, block chimney or tile chimney liner is in poor condition a new chimney liner rated for oil may have to be installed. In the event the condition still exists after installation of a new liner consult Granby Industries. 7.0 FUEL SYSTEM The fuel system piping must comply with the pump manufacturers’... -
Page 15: Oil Tank And Piping
• A two pipe system should only be used when the oil supply is well below the pump. A return fuel line may be used on inside installations where the tank level is below the level of the burner. The return line must be equal in diameter to the suction line. -
Page 16: Accessory Installation
8.0 ACCESSORY INSTALLATION BLOCKED VENT SWITCH (BVSO) FOR CANADIAN APPLICATION ONLY Oil-fired appliances installed in Canada require a blocked vent switch system when installed on a chimney. A safety switch is included with the furnace to perform this function. It is the installer’s responsibility to install the switch in accordance with the instructions provided. -
Page 17: Burner Installation & Setting
System Test Procedure (BVSO) 1) With the power re-established, block the chimney or vent pipe downstream of the switch. 2) Adjust the thermostat to call for heat. 3) Once the heating system has started the blocked vent switch should shut down the burner within 10 minutes or sooner. - Page 18 SET BURNER FOR EFFICIENT OPERATION BURNER SETTING Use burner settings in the table on page 19 or operating decal as a guide to set burner, particularly for nozzle changes. Those settings are only starting points for the adjustments and are not meant as final settings..
- Page 19 All your tests must be done with the burner cover on COMBUSTION After 10 minutes of normal operation, take a smoke test and adjust SETTING/ the burner to obtain a reading of “1” on the smoke scale. Take a CO EFFICIENCY test and note the result.
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Page 20: Technical Information
CO2 (%) In the Unit Model number, is specific information of the product for administration only. ** Honeywell control L7248 (high limit only, cool start application) • GRANBY B*C CAST IRON SERIES Shipping Appliance No. de Length Supply Outlet... -
Page 21: Boiler Start Up & Operation
11.0 BOILER START UP AND OPERATION 11.1 START UP PROCEDURE • Prior to start up make sure the service switch is in the OFF position. • Check all fittings and wiring. • Insure that the boiler and the entire heating system are completely filled with water and that all air has been purged from the system resulting that proper system pressure is achieved. -
Page 22: Error Codes
TROUBLE SHOOTING L7246 When attempting to diagnose system performance, reference to the LED display can help to identify specific areas not working properly. The LED display will scroll ERR, followed by a digit (1-8). Refer to the information inside the cover of the control L7248. Error Codes Err 1 Sensor fault... -
Page 23: Maintenance / Service
12.0 MAINTENANCE / SERVICE Your heating appliance is designed to be maintained and serviced only by your heating professional. The following sections provide information on maintenance and service related activities. In the event a problem occurs consult your heating professional. •... -
Page 24: Cleaning Of The Boiler
12.1 CLEANING OF THE BOILER Section cleaning should only be performed by a service technician and must only be performed when the boiler is out of service. The following steps should be followed: • Remove the 2 front panels by sliding it upwards to release and then pull to remove. Open the front swing door by removing the four bolts;... -
Page 25: Exploded Parts View
13.0 EXPLODED PARTS VIEW Exploded Parts View 24 ... - Page 26 Part List G*C FRONT SECTION GC PNA - POCKET FOR SENSING BULBS G*C INTERMEDIATE SECTION TAPPING WITH AIR RELIEF VALVE G*C REAR SECTION REAR CASING NIPPLE SPECIAL PIN FOR CASING ASSEMBLY STAYBOLTS FIBRE-GLASS ROPE DIA. 10 BODY INSULATION HINGE PIN FRONT DOOR (MONOBLOCK) HINGE - LEFT HAND SIDE FRONT INSULATION...
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Page 27: Start Up Test Results
14.0 START-UP TEST RESULTS Model: Serial Number: Boiler, # sections Date of installation: Installer (name & address): TEST RESULTS Size of unit (Btu/h): Nozzle: Oil Pressure (psi): Chimney size ____________ Direct vent system (DVS) _________ Burner adjustments: RIELLO BF-3___ RIELLO BF-5___ RIELLO BF-10___ Turbulator: Air Gate: Smoke result:... - Page 28 Granby Furnaces Inc. manufactures a full line of oil-fired boilers in its 70,000 square feet facility. Granby products are sold across Canada and the United States through a distribution network. Our team of engineers, designers and technicians continually research and develop products to go beyond the demanding specifications of today’s certifications.
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